Four Season Insulation Kit

Four Season Insulation Kit

from Osprey Packs

  • $36.00

Four Season Insulation Kit comes with complimentary free shipping from Trail and Ski.

Keep your water cold in the summer and unfrozen in the winter with the Osprey Four Season insulation kit. Closed-cell foam wrapped in reflective fabric insulates your reservoir, hose and bite valve.


  • Heat-reflective coating fits up to a 3-liter reservoir (not included)
  • You can remove the the bite valve sleeve in warm temperatures for easier access
  • Attachment loops for easy carry

Technical specs

  • Best Use: Multisport
  • Material(s): Foam/silver coating
  • Dimensions: 16.7 x 8.2 x 1.77 inches
  • Weight: 7.2 ounces

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